Home / 646,040.20-891,526.59-359,560.24

Finding the Fourth Proportional to 646,040.20, 891,526.59 and 359,560.24

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Solution

The fourth proportional to 646,040.20, 891,526.59 and 359,560.24 is: 496,188.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,040.20 : 891,526.59 = 359,560.24 : x
  2. Step 2: Convert to fraction form
    646,040.20/891,526.59 = 359,560.24/x
  3. Step 3: Cross multiply
    646,040.20x = 891,526.59 × 359,560.24
  4. Step 4: Simplify right side
    646,040.20x = 320,557,514,666.78
  5. Step 5: Solve for x
    x = 320,557,514,666.78/646,040.20
  6. Step 6: Final answer
    x = 496,188.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.